As one of its daily deals, Yugster offers the Maxell Gold Series 9V Alkaline Battery 12-Pack for $14.97. Coupon code "FREEYUGBUCK" cuts it to $13.97. With free shipping, that's $1.16 per battery, a buck under our mention from two weeks ago, and the lowest total price we could find for this quantity by $9. Deal ends today at 4 am ET.